n | a(n) |
---|---|
0 | 0 |
1 | 21 |
2 | 78 |
3 | 171 |
4 | 300 |
5 | 465 |
6 | 666 |
7 | 903 |
8 | 1176 |
9 | 1485 |
10 | 1830 |
11 | 2211 |
12 | 2628 |
13 | 3081 |
14 | 3570 |
15 | 4095 |
16 | 4656 |
17 | 5253 |
18 | 5886 |
19 | 6555 |
20 | 7260 |
21 | 8001 |
22 | 8778 |
23 | 9591 |
24 | 10440 |
25 | 11325 |
26 | 12246 |
27 | 13203 |
28 | 14196 |
29 | 15225 |
30 | 16290 |
31 | 17391 |
32 | 18528 |
33 | 19701 |
34 | 20910 |
35 | 22155 |
36 | 23436 |
37 | 24753 |
38 | 26106 |
39 | 27495 |
[0,21,78,171,300,465,666,903,1176,1485,1830,2211, 2628,3081,3570,4095,4656,5253,5886,6555,7260,8001, 8778,9591,10440,11325,12246,13203,14196,15225, 16290,17391,18528,19701,20910,22155,23436,24753, 26106,27495] |